The Marin County Sheriff's Office is investigating the death of actor/comedian Robin Williams in Tiburon, Calif., north of San Francisco.
According to a press release issued by the sheriff's office, Williams was found unconscious and not breathing inside his home in Tiburon around noon local time, and was pronounced dead shortly after.
The press release identified him as Robin McLaurin Williams, 63.
The coroner suspects the death was "a suicide due to asphyxia, but a comprehensive investigation must be completed before a final determination is made. A forensic examination is currently scheduled for Tuesday, the press release said.
Williams rep confirmed the death to E News.
"Robin Williams passed away this morning," his rep confirmed to E! News. "He has been battling severe depression of late. This is a tragic and sudden loss. The family respectfully asks for their privacy as they grieve during this very difficult time."